“With all due respect sir, I have always felt free to voice my opinions, even when they differ from those of Captain Picard or Commander Riker.” --Worf, when he's getting chewed out by Data

That makes him more real IMO. All humans have flaws of character. That doesn’t mean flawed equls good, we like people who have less of them.

“Captain, I must protest: I am not a merry man!”